Orifice tube expander



FIG. 1 is a front elevational view of an orifice tube expander showing my new design, the rear view being the mirror image thereof;

FIG. 2 is a top plan view thereof, the bottom plan view being the mirror image thereof;

FIG. 3 is a left side elevational view thereof; and,

FIG. 4 is a right side elevational view thereof. 

The ornamental design for an orifice tube expander, as shown and described. 